Pattison, Tania, author
Pearson , 2015
Buku Teks
John Flowerdew, Matthew Peacock
Cambridge University Press, 2001
Buku Teks
Grace Josephine Tiwon Wiradisastra, author
UI-Press, 2006
Buku Teks
Sellen, Derek
Hulton Educational Publications, 1982
Buku Teks
disusun oleh Sofia Rangkuti-Hasibuan ; editor, Nung Atasana
Gramedia Pustaka Utama, 1992
Buku Teks